AK7757 - 24bit 3ch ADC +4ch DAC + Mic AmpAudio DSP
[AK7757] AK7757 Audio DSP with 24bit 3ch ADC + 4ch DAC + MIC Amp GENERAL D ESCRIPTION The AK7757 is a d igital signal processor with an integrated 4ch DAC, a stereo AD C with input selector, a mono ADC and an integrated digital au dio interface.
The audio D SP has 1536 step/fs (at 48kHz sampling) parallel arithmetic operation performance.
As the AK7757 is a R AM based DSP, it is programmable for user requirements to realize the audio e ffects process or th e proprietary high-performance HF.
It
AK7757 Features
* DSP - Word length: 24bits (Da ta RAM: F24floating point) - Processing Speed: 13.6 ns (9216step/fs; fs = 8kH z) - Multiplication: 20 x 20 → 36-bit Double precision arithmet ic available - Divider 20/ 20 → 20-bit - ALU: 40-bit arithmetic operation (ov erflow margin 4bits) 24-bit floatingpoint arith
